Home / 5,198.38-7,174.17-2,960.35

Finding the Fourth Proportional to 5,198.38, 7,174.17 and 2,960.35

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Solution

The fourth proportional to 5,198.38, 7,174.17 and 2,960.35 is: 4,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.38 : 7,174.17 = 2,960.35 : x
  2. Step 2: Convert to fraction form
    5,198.38/7,174.17 = 2,960.35/x
  3. Step 3: Cross multiply
    5,198.38x = 7,174.17 × 2,960.35
  4. Step 4: Simplify right side
    5,198.38x = 21,238,036.22
  5. Step 5: Solve for x
    x = 21,238,036.22/5,198.38
  6. Step 6: Final answer
    x = 4,085.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.